Black Sands, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Sands, a community in Hawaii County, Hawaii.
Overnight
68°F
Occasional Rain Showers
Occasional rain showers. Cloudy, with a low around 68. North wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Black Sands
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Occasional Rain Showers | 18 mph N | 91% |
| Wednesday | 76°F | Occasional Rain Showers | 18 mph NNE | 88% |
| Wednesday Night | 69°F | Occasional Rain Showers | 16 to 20 mph NNE | 77% |
| Thursday | 76°F | Chance Rain Showers | 20 mph NNE | 64% |
| Thursday Night | 70°F | Occasional Rain Showers | 17 to 21 mph NNE | 77% |
| Friday | 76°F | Occasional Rain Showers | 21 mph NNE | 78% |
| Friday Night | 70°F | Occasional Rain Showers | 20 to 23 mph NNE | 76% |
| Saturday | 76°F | Chance Rain Showers | 18 to 23 mph NNE | 57% |
| Saturday Night | 69°F | Rain Showers Likely | 20 mph NNE | 55% |
| Sunday | 76°F | Scattered Rain Showers | 22 mph NNE | 47% |
| Sunday Night | 68°F | Scattered Rain Showers | 22 mph NNE | 53% |
| Monday | 76°F | Scattered Rain Showers | 20 mph NE | 47% |
| Monday Night | 68°F | Scattered Rain Showers | 18 mph NNE | 49% |
| Tuesday | 76°F | Scattered Rain Showers | 18 to 22 mph NE | 42% |
Forecast source: National Weather Service (api.weather.gov) for Black Sands (19.414, -154.959). Updated through the day.
Growing snapshot for Black Sands
Growing season
365 days
More local growing data for Black Sands: nearby ZIP 96778 weather · frost dates · planting calendar · Hawaii frost dates
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Climate data from the nearest NOAA station, Glenwood #2 55.4, Hi (7.2 mi from Black Sands). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.